Hem or seam for sewed articles.



J. G. LEWIS. HEM 0R SBAMPOR SEWBD ARTICLES. APPLIGATION FILED AUG. 7, 1911.

1,1 33,808, Patented Mar. 30, 1915.

JOHN o. LEWiIs, oF s'r. LoUIs, MISSOURI.

Specification of Iietters Patent.

HEM R SEAM FOR SEWED ARTICLES.

Patented Mar. 30, 1915.

App1icau0n-a1eaaugusf7,1911. serial No. 642,619.

To all whom it may concern.

Beit known that I, JOHN G. LEwIs, a

citizen of the United States, residing at city of St. Louis and State of Missouri, have invented certain new and useful Improvements in Hems or Scams for Sewed Artimain layer and through the superimposed 'layer at an oblique angle, or inclination,

to theedge of said superimposed layer, and

the ends of the .loopsv extending over the edge of the superimposed layer for holding the edge down by its enchainment with the next succeeding stitch. Such a stltch ar rangement, which is susceptible of production by a blind stitch sewmg machine, is very advantageous in felling, glvlng an edge retaining overseam loop for each needle penetration and a surface appearance simulating the effect of hand-felling.

In the drawings, whereln the parts are exaggeratedly shown for ease of tracing the thread formation, Figure 1 is a plan view v of a seam embodying my invention; Fig. 2

. is a section therethrough; Fig 3 is a perspective thereof; and Figs. 4, and 6 are Views, respectively similar to F lgs. 1, 2 and 3, showing a slightly different relation between the elements of the seam.

The same numerals are herein applied to like parts in all views.

10 indicates a base layer of textile or similar material on which is superimposed a j layer 11, having an edge 12,110 be secured to the main layer, the edge 12 being shown as formed by folding under a portion 13, of the superimposed layer, although the edge might, of course, be raw or unfolded,

The edge 12 is secured to the mam layer 10 by a single series of chain stitches comprising a series of loops 14, penetrating into the main layer 10,.and through the superimposed layervll, .to enter and emerge on the same side of thework, the portion 14 ofeach loop buried in the goods lying at an oblique angle to the edge of the superimposed layer; the loop end 14" overlying the said edge and embracing the next succeed ing loopjat its point of entrance into the main layer, and the lineal connections 15 b'etweenthe loops lying in a line substantially parallel with the edge of the rsuper- .imposcd layer and keying the loop extremities. The thread portion buriedin the main layer need not penetrate clear through, and therefore the stitches maybe blind on the one side of the work.

In forming the seam by machine work, the feed, as indicated by the arrows in Figs` 1, 3, 4 and 6, is 'preferably in a direction opposite to the lineal direction of needle thrust; and where the length of feed is substantially equal to the lineal extent of penetration the over-seaming loop ends 1lb lie at approximately right-angles to the edge of the superimposed layer, giving a particularly neat and attractive appearance to the seam. The point ofy entrance of the loop into the body material 10 may be close to the edge 12, as shown in Figs. 1 to 3, or under said edge as shown in Figs. to 6 (the edge being lifted to facilitate the needle entrance,- if necessary), so that the lineal connections 15, lying on the body layer parallel with the edge, are only slightly exposed or are wholly concealed, as may be preferred. As the angle of needle thrust to the edge of the superimposed layer may be made very small, a very narrow overseaming loop extremity may be presented without shortening unduly the bite or burial of the stitch in the goods, so securing a irnf anchorage of the KVrelatively long buried portion l-l of each loop in the inaterial layers, and also giving such shortness to the overseaming loop end 1lb as insures that the edge is held firmly and closely upon the main layer. 'i

' What I claim is:

1. A hem or seam for sewed articles comprising a main layer of material, a superim` posed layer of material presenting an edge thereon, and a single row of single-thread chain stitches entering and emerging from the same side of the work comprising a series of loops penetrating into the main layer and through the superimposed layer. in the general direction away from the preceding stitches at an oblique angle to said edge and thence passing across the edge at substantially .right angles to the edge, said loops heing enchained at the surface of the main layer and the lineal connections keying said loops lying in a line on the main laver parallel with and close to the edge of the superimposed layer.

2, A hem or seam for sewed articles. com- Vprisin 'a main layer of material, a superimposed ayer presenting'an edge thereon, and

a single row of stitches entering and emerg-.

preceding stitches at an oblique angle to the I said edge and thence'passing over the edge substantially at right angles thereto, said loops being enehained and the lineal oonnections keying said loops lying in a line on the main layer parallel with and heneaththe edge of the superimposed layer. In'testimony whereof I lhereunto affix my .signature in the presence of two witnesses.

.JOHN G. LEWIS; Witnesses:

A.' M. PARKINS, COURTNEY WHITNEY. 

